docs: def remove_accent_marks(text, excluded=None):
          """Remove accent marks from input text.
  
          This function removes accent marks in the text, but leaves
          unicode characters defined in the 'excluded' parameter.
  
          Args:
              text: The text to be processed.
              excluded: Set of unicode characters to exclude.
  
          Returns:
              The text without accent marks.
          """
          if excluded is None:
              excluded = set()
  
          return unicodedata.normalize(
              'NFKC', ''.join(
                  c for c in unicodedata.normalize(
                      'NFKD', text) if unicodedata.category(c) != 'Mn' or c in excluded))